        <!DOCTYPE html>
        <html lang="en">
        <head>
            <meta charset="UTF-8">
            <title>Title</title>
            <script src="vue.js"></script>
            <script src="index.js"></script>
            <link rel="stylesheet" href="index.css">
        </head>
        <body>
        <style>
            .el-header, .el-footer {
                background-color: #B3C0D1;
                color: #333;
                text-align: right;
                line-height: 60px;
            }

            .el-aside {
                background-color: #D3DCE6;
                color: #333;
                text-align: center;
                line-height: 200px;
            }

            .el-main {
                background-color: #E9EEF3;
                color: #333;
                text-align: center;
            }

            html,body,.el-container{
                /*设置内部填充为0，几个布局元素之间没有间距*/
                padding: 0px;
                /*外部间距也是如此设置*/
                margin: 0px;
                /*统一设置高度，高度自行调整*/
                height: 1400px;
            }


             .el-dropdown-link {
                 cursor: pointer;
                 color: #409EFF;
             }
            .el-icon-arrow-down {
                font-size: 12px;
            }

        </style>
        </head>

        <div id="app">
            <el-container>
                <el-header>
                    <el-dropdown >
                          <span class="el-dropdown-link">
                            个人中心<i class="el-icon-arrow-down el-icon--right"></i>
                          </span>
                        <el-dropdown-menu slot="dropdown">
                            <el-dropdown-item>
                                <a href="#">修改密码</a>
                            </el-dropdown-item>
                            <el-dropdown-item>用户退出</el-dropdown-item>
                        </el-dropdown-menu>
                    </el-dropdown>
                </el-header>
                <el-container>
                    <el-aside>

                        <el-menu
                                default-active="2"
                                class="el-menu-vertical-demo"
                        >
                            <el-submenu index="1">
                                <template slot="title">
                                    <i class="el-icon-info"></i>
                                    <span>预约管理</span>
                                </template>
                                <el-menu-item-group>
                                    <el-menu-item index="1-1"><a href="http://www.jd.com" target="main">预约列表</a></el-menu-item>
                                    <el-menu-item index="1-2"><a href="#">检查项管理</a></el-menu-item>
                                    <el-menu-item index="1-3"><a href="#">检查组管理</a></el-menu-item>
                                    <el-menu-item index="1-4"><a href="#">预约周期</a></el-menu-item>
                                </el-menu-item-group>
                            </el-submenu>

                            <el-submenu index="2">
                                <template slot="title">
                                    <i class="el-icon-time"></i>
                                    <span>会员管理</span>
                                </template>
                                <el-menu-item-group>
                                    <el-menu-item index="2-1"><a href="#">会员信息</a></el-menu-item>
                                    <el-menu-item index="2-2"><a href="#">会员列表</a></el-menu-item>
                                    <el-menu-item index="2-3"><a href="#">会员说明</a></el-menu-item>
                                    <el-menu-item index="2-4"><a href="#">会员活动</a></el-menu-item>
                                </el-menu-item-group>
                            </el-submenu>

                        </el-menu>


                    </el-aside>
                    <el-main>
                        <iframe src="main.html" name="main" width="100%" height="100%" frameborder="0"></iframe>
                    </el-main>
                </el-container>
                <el-container>
                    <el-footer>底部区域</el-footer>
                </el-container>
            </el-container>
        </div>
        <script>
            var  vm = new Vue({
                el:"#app",
                data:{}
            })
        </script>
        </body>
        </html>